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- Title
Impact of different external resistance, substrate and salt concentration on wastewater treatment and power generation in microbial desalination cell.
- Authors
Majumder, Shobhan; Istalingamurthy, D.; Murthy, B. M. Sadashiva; Prakash, B. M.
- Abstract
The increase in the population and rapid industrialization generates a significant amount of wastewater which should be treated economically. Microbial desalination cell (MDC) is a kind of technology that can treat wastewater and generate power simultaneously. It was observed that many experimental studies were lacking in findings of the variation of basic input conditions on the MDC efficiencies. The aim of the present study was to explore the impact of external resistance, electrolyte solutions and substrate concentration on power generation in an MDC system. The experimental study was conducted by using medium to high strength wastewater from distillery and brewery industry in batch-wise operation. The analysis of which resulted in medium to high-strength wastewater. The data was collected based on the experimental setup conditions. Application of different resistances on the MDC, best resulted in 82% COD removal and 57% TDS removal with 500 O external resistance. A COD and TDS removal efficiency of 83% and 61% was identified with an electrolyte concentration of 35,000 mg/L. The variation of substrate concentration reported a maximum COD removal of 86%, TDS removal of 62%, and current, and voltage of 1.872 mA and 628 mV with 1,500 and 8,000 mg/L, respectively.
- Subjects
WASTEWATER treatment; MICROBIAL cells; SALINE water conversion; ELECTROLYTE solutions; SALT; INDUSTRIAL wastes
- Publication
Desalination & Water Treatment, 2023, Vol 314, p70
- ISSN
1944-3994
- Publication type
Article
- DOI
10.5004/dwt.2023.30062